A purity monitoring system for liquid argon calorimeters

被引：9

作者：

Adams, M

Buchholz, P

Dahlhoff, A

Feiden, D

Gärtner, V

Grams, M

Haarmann, M

Hergesell, A

Hölldorfer, F

Ielapi, G

Jakobs, K

Jung, T

Köpke, L

Kuhnert, E

Meder, D

Schäfer, U

Schmidt, A

Schué, Y

Schwarz, C

Walkowiak, W

Weber, D

Wilke, D

Zeitnitz, C ^{[1
]}

机构：

[1] Univ Mainz, Inst Phys, D-55099 Mainz, Germany

[2] Univ Siegen, Fachbereich Phys, D-57068 Siegen, Germany

[3] Univ Freiburg, Inst Phys, D-79104 Freiburg, Germany

来源：

NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT | 2005年 / 545卷 / 03期

关键词：

liquid argon; electron attachment; calorimetry;

D O I：

10.1016/j.nima.2005.03.117

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

For liquid argon calorimeters electronegative impurities dissolved in the medium degrade the detector response and deteriorate the energy resolution, especially at high energies. A concept for a purity monitoring system for liquid argon calorimeters has been developed and is presented here. Special combined monitors of Am-241- and (207) Bi-cells are used to monitor the concentration of impurities. The working principle as well as results from test measurements are discussed. (c) 2005 Elsevier B.V. All rights reserved.

引用

页码：613 / 623

页数：11

共 8 条

[1] EFFECT OF AN ELECTRIC-FIELD ON ELECTRON-ATTACHMENT TO SF6, N2O, AND O-2 IN LIQUID ARGON AND XENON [J].